:root { color-scheme: light; font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; color: #143346; background: #f4f9fb; line-height: 1.7; }
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: .24em; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid #087b80; outline-offset: 4px; }
.wrap { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 27px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 750; text-decoration: none; }
.brand img { border-radius: 10px; }
nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: .9rem; }
nav a { text-decoration: none; }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; padding: 28px 0 76px; }
.eyebrow { margin: 0 0 24px; color: #34616c; font-size: .8rem; font-weight: 700; letter-spacing: .11em; }
h1 { margin: 0 0 24px; font-size: clamp(2.65rem, 4.4vw, 4rem); line-height: 1.27; letter-spacing: -.045em; }
.intro { max-width: 27rem; margin-bottom: 32px; font-size: 1.075rem; color: #486371; }
.download-card { border: 1px solid #bed5d9; border-radius: 18px; background: white; padding: 24px; box-shadow: 0 12px 32px #123b4907; }
.download-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; }
.download-heading h2 { margin: 0; font-size: 1.12rem; }
#availability { border-radius: 5px; padding: 2px 9px; background: #e5f4f2; color: #086b71; font-size: .8rem; }
.download-meta, .quiet, .release-info, .version-note { color: #4b6877; font-size: .85rem; }
.download-meta { margin: 12px 0 18px; }
.download-card label { display: block; margin-bottom: 6px; font-size: .9rem; }
.download-card input { width: 100%; height: 50px; border: 1px solid #b9ced5; border-radius: 8px; padding: 0 12px; background: #f8fbfc; font-size: 16px; }
.download-card button:not(.text-button), .download-button { display: block; width: 100%; min-height: 50px; margin-top: 14px; padding: 12px; border: 0; border-radius: 8px; background: #087b80; color: white; font-weight: 650; text-align: center; text-decoration: none; cursor: pointer; }
.download-card button:disabled { opacity: .55; cursor: wait; }
#status-message { margin: 14px 0 5px; font-size: .9rem; overflow-wrap: anywhere; }
.text-button { border: 0; padding: 6px 0; background: transparent; color: #086b71; text-decoration: underline; text-underline-offset: .2em; font-size: .85rem; cursor: pointer; }
.release-info { border-top: 1px solid #e2ecf0; margin-top: 12px; padding-top: 8px; }
.release-info p { margin: 5px 0; }
.release-info code { display: block; margin: 9px 0 0; font-size: .75rem; overflow-wrap: anywhere; }
.version-note { max-width: 31rem; margin-top: 5px; }
.platform-card { margin-top: 24px; padding-top: 16px; border-top: 1px solid currentColor; }
.platform-card h2 { font-size: 1.12rem; }
.platform-card p { font-size: .9rem; }
#ios-links, #filing-links { display: flex; flex-wrap: wrap; gap: 12px; }
#filing-links { width: 100%; }
.platform-link, #filing-links a, #support a { display: inline-flex; align-items: center; min-height: 44px; overflow-wrap: anywhere; }
.aquarium-art { position: relative; height: 640px; margin: 0; border-radius: 130px 130px 24px 24px; overflow: hidden; background: #138b99; box-shadow: 0 24px 50px #1c55641c; }
.aquarium-art > img { width: 100%; height: 100%; object-fit: cover; object-position: center 60%; }
.aquarium-art figcaption { position: absolute; bottom: 0; inset-inline: 0; padding: 64px 32px 28px; color: white; background: linear-gradient(transparent, #063441e8); }
.aquarium-art figcaption strong { display: block; font-size: 1.05rem; }
.aquarium-art small { display: block; margin-top: 7px; color: #e1f0f4; }
.installation { padding: 55px 0 70px; border-top: 1px solid #c5dade; }
.installation > h2 { margin: 0 0 32px; font-size: clamp(1.6rem, 3vw, 2rem); line-height: 1.5; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.step-number { padding-bottom: 6px; border-bottom: 2px solid #e2bd64; color: #087b80; font-family: ui-monospace, monospace; }
h3 { margin: 18px 0 10px; font-size: 1.075rem; }
.steps p { margin: 0; color: #486371; font-size: .95rem; }
.install-note { margin-top: 40px; padding: 12px 20px; border-left: 3px solid #087b80; background: #e9f3f5; }
.install-note p { margin: 5px 0; color: #486371; font-size: .9rem; }
.site-footer { padding: 30px 0; background: #102f40; color: #dfedf1; font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer p { width: 100%; margin: 0; color: #b8d1da; font-size: .85rem; }
.prose { max-width: 780px; padding-block: 32px 64px; }
.prose h1 { margin-top: 32px; font-size: 2rem; letter-spacing: -.02em; }
.prose h2 { margin: 30px 0 10px; font-size: 1.3rem; }
.prose p, .prose li { color: #486371; }
.prose ul { padding-left: 24px; }
.privacy-document { overflow-wrap: anywhere; }
.privacy-document p { line-height: 1.85; }
.privacy-contents { display: block; }
.privacy-contents ol { list-style: none; margin: 0; padding: 0; }
.privacy-contents a { display: flex; align-items: center; min-height: 44px; padding-block: 8px; text-decoration: underline; }
.privacy-document section { scroll-margin-top: 24px; }
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { align-items: flex-start; padding-block: 20px; }
  .brand { font-size: 1.1rem; }
  nav { gap: 12px; justify-content: flex-end; font-size: .85rem; }
  .hero { grid-template-columns: 1fr; padding: 20px 0 42px; }
  h1 { font-size: clamp(2.4rem, 8.8vw, 3.5rem); }
  .eyebrow { margin-bottom: 16px; font-size: .78rem; letter-spacing: .06em; }
  .intro { margin-bottom: 24px; }
  .download-card { padding: 20px; }
  .aquarium-art { height: 340px; border-radius: 24px; }
  .aquarium-art > img { object-position: center 73%; }
  .aquarium-art figcaption { padding-inline: 24px; }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .installation { padding-block: 36px 45px; }
}